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* Bryan O'Sullivan has some additional optimizations for the new I/O manager, on top of Andreas and Kazu's recent efforts.

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* The Applicative-Monad warning would preferably be integrated. See #8004. Dan Rosén seems to have a first draft of a patch here: https://github.com/danr/ghc/commit/86631ffd294af320cb9b00e1a593201af887ed72